Dr. Javier Martínez-Martínez is a researcher at the Spanish Geological Survey—Higher Council for Scientific Research (IGME-CSIC), based in Madrid, Spain. He obtained his M.Sc. in Engineering Geology and Ph.D. in Geosciences from the University of Alicante in 2003 and 2008, respectively. Following his Ph.D., he served as an Assistant Professor at the University of Alicante from 2008 to 2016. He has also worked as a visiting researcher at the Università degli Studi di Milano-Bicocca, Universidad Nacional Autónoma de México, University of Oxford, Université de Lausanne, and University of Strathclyde. He joined IGME in March 2017. His research focuses on three main areas: (i) The petrophysical and petrological characterization of building materials; (ii) The study and identification of historic quarries; and (iii) The decay processes of stone-built heritage, with particular emphasis on the influence of climate and microclimate on stone weathering.